Base | Representation |
---|---|
bin | 1011101011011… |
… | …0010110001100 |
3 | 10102011111211111 |
4 | 2322312112030 |
5 | 100014401023 |
6 | 4505501404 |
7 | 1133222611 |
oct | 272662614 |
9 | 112144744 |
10 | 48981388 |
11 | 25715495 |
12 | 144a1864 |
13 | a1bc891 |
14 | 6710508 |
15 | 447800d |
hex | 2eb658c |
48981388 has 12 divisors (see below), whose sum is σ = 87808392. Its totient is φ = 23893280.
The previous prime is 48981367. The next prime is 48981389. The reversal of 48981388 is 88318984.
It is not an unprimeable number, because it can be changed into a prime (48981389) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149170 + ... + 149497.
It is an arithmetic number, because the mean of its divisors is an integer number (7317366).
Almost surely, 248981388 is an apocalyptic number.
It is an amenable number.
48981388 is a deficient number, since it is larger than the sum of its proper divisors (38827004).
48981388 is a wasteful number, since it uses less digits than its factorization.
48981388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 298712 (or 298710 counting only the distinct ones).
The product of its digits is 442368, while the sum is 49.
The square root of 48981388 is about 6998.6704451631. The cubic root of 48981388 is about 365.8842338439.
The spelling of 48981388 in words is "forty-eight million, nine hundred eighty-one thousand, three hundred eighty-eight".
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